Join Us. Hammer membership gives you special access to public programs, opening parties, and puts you in the mix of L.A.’s vibrant art scene. Free for everyone, more for you. Learn more about Hammer membership Since its establishment in 1956 with a gift of prints from Los Angeles collector Fred Grunwald, the UCLA Grunwald Center for the Graphic Arts has evolved into one of the nation’s foremost collections of works on paper.